Setup script to listen for theme changes and call swap mode as needed

bin/listen_theme_changes.sh

@@ -0,0 +1,19 @@
+#!/bin/bash
+
+# Directory where the script is located
+SCRIPT_DIR="$(dirname "$(realpath "$0")")"
+SWAP_MODE_SCRIPT="$SCRIPT_DIR/swap_mode.sh"
+
+# Listen for changes in the color-scheme setting
+gsettings monitor org.gnome.desktop.interface color-scheme | while read -r line; do
+    # 'default' usually corresponds to light mode in GNOME
+    if [[ "$line" == *"default"* ]]; then
+        echo "Detected light mode change..."
+        "$SWAP_MODE_SCRIPT" light
+    
+    # 'prefer-dark' corresponds to dark mode
+    elif [[ "$line" == *"prefer-dark"* ]]; then
+        echo "Detected dark mode change..."
+        "$SWAP_MODE_SCRIPT" dark
+    fi
+done